EP4274768A1 - A wiper arm, wiper and vehicle - Google Patents

A wiper arm, wiper and vehicle

Info

Publication number
EP4274768A1
EP4274768A1 EP22700291.2A EP22700291A EP4274768A1 EP 4274768 A1 EP4274768 A1 EP 4274768A1 EP 22700291 A EP22700291 A EP 22700291A EP 4274768 A1 EP4274768 A1 EP 4274768A1
Authority
EP
European Patent Office
Prior art keywords
wiper arm
nozzle
wiper
hose
middle section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22700291.2A
Other languages
German (de)
French (fr)
Inventor
Haoyi HONG
Xu Cheng
Jinlong PU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Systemes dEssuyage SAS
Original Assignee
Valeo Systemes dEssuyage SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Systemes dEssuyage SAS filed Critical Valeo Systemes dEssuyage SAS
Publication of EP4274768A1 publication Critical patent/EP4274768A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48—Liquid supply therefor
    • B60S1/52—Arrangement of nozzles; Liquid spreading means
    • B60S1/522—Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/34—Wiper arms; Mountings therefor
    • B60S1/3415—Wiper arms; Mountings therefor with means for supplying cleaning fluid to windscreen cleaners, e.g. washers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/40—Connections between blades and arms
    • B60S1/4006—Connections between blades and arms for arms provided with a hook-shaped end

Definitions

  • the arrangement of a protrusion and an opening makes it possible to prevent the nozzle from loosening from the extension section.
  • the wiper arm further comprises a wiper arm seat, the wiper arm seat being rotatably connected to the other end of the wiper arm body and used for connecting a driving motor.
  • a vehicle comprising any of the above-described wiper arms, or the above-described wiper.
  • the wiper arm end piece 200 is made by blanking and is riveted to the wiper arm body; in addition, the wiper arm end piece 200 comprises a hook 210 for holding a wiper blade.
  • the wiper arm body 100 and the wiper arm seat 300 are pivotally connected by a pivot 600; in addition, the wiper arm seat 300 comprises a connecting hole 310 for connecting to the output shaft of a driving motor.
  • At least one of the edge section 222 and the edge section 223 is provided with a protrusion 224, correspondingly at least one of the accommodating groove 521 and the accommodating groove 522 is provided with an opening 523, and the nozzle 500 is deformable to make the protrusion 224 snap into the opening 523, thereby preventing the nozzle 500 from falling off the extension section 220 easily.
  • the protrusion 224 may be triangular or have any other shape.
  • the above-mentioned deflection angle a corresponds to an installation tilt angle of the windshield, so that when the wiper is installed on the windshield of a vehicle, in the direction of observation by a driver in the vehicle, the nozzle 500 and the extension section 220 block the driver's path of observation as little as possible, which allows a reduction of interference by the wiper to the driver to ensure driving safety.
  • a vehicle comprising a wiper arm 10 as described above, or a wiper as described above.
  • the present application instead of being limited to the above- described structures, may also have other variants.
  • the present invention has already been described by means of a limited number of embodiments, those skilled in the art could, drawing benefit from this disclosure, design other embodiments which do not depart from the scope of protection of the present invention disclosed herein. Thus, the scope of protection of the present invention should be defined by the attached claims alone.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Nozzles (AREA)

Abstract

The present application relates to a wiper arm, which comprises a wiper arm body and a wiper arm end piece, the wiper arm end piece being fixedly connected to one end of the wiper arm body to hold a wiper blade, the wiper arm being further provided with a nozzle and a hose, wherein the nozzle is connected to an extension section of the wiper arm end piece towards the return side or the outward swing side of the wiper arm; the hose extends along the wiper arm body, and one end of the hose is connected to the nozzle to deliver a cleaning fluid to the nozzle. The arrangement of a nozzle on the wiper arm ensures that a cleaning fluid is quickly wiped off, the driver is given a clear field of vision, and the cleaning fluid usage may also be reduced.

Description

Description
A wiper arm, wiper and vehicle
Technical Field
The present application relates to the field of mechanical structures, in particular to a wiper arm, a wiper, and a vehicle.
Background Art
In a motor vehicle, a wiper is usually installed on the windshield to remove rain or dust that blocks the driver's line of sight, thereby ensuring that the driver is given a clear field of vision.
A conventional wiper is installed independently of a cleaning system, wherein the cleaning system is usually arranged under the bonnet, a cleaning agent is sprayed directly to an upper middle part of the windshield through a nozzle, and consequently, before the wiper wipes the cleaning agent off, the driver cannot see clearly the road conditions ahead, which often causes traffic accidents; moreover, since the spray path is long, the spray area is large, and a large amount of cleaning agent is needed, a great waste of resources is caused.
Summary of the Invention
Therefore, an objective of the present application is to provide a wiper arm, a wiper and a vehicle, which can at least partially solve the above-mentioned problems.
According to one aspect of the present application, a wiper arm is provided, which comprises a wiper arm body and a wiper arm end piece, the wiper arm end piece being fixedly connected to one end of the wiper arm body to hold a wiper blade, the wiper arm being further provided with a nozzle and a hose, wherein the nozzle is connected to an extension section of the wiper arm end piece towards the return side or the outward swing side of the wiper arm; the hose extends along the wiper arm body, and one end of the hose is connected to the nozzle to deliver a cleaning fluid to the nozzle.
According to an embodiment of the present application, the arrangement of a nozzle on the wiper arm ensures that a cleaning fluid is quickly wiped off, the driver is given a clear field of vision, and the dosage of cleaning fluid usage may also be reduced.
In some embodiments, the nozzle comprises a nozzle body, two accommodating grooves, and a hose joint, the two accommodating grooves and the hose joint protruding from one side of the nozzle body; the extension section comprises a middle section and two edge sections, the two edge sections being insertable into the two accommodating grooves, respectively; and the hose joint is connectable to the hose.
In some embodiments, the extension section extends as a whole towards the outward swing side of the wiper arm, and the notches of the two accommodating grooves face each other.
In some embodiments, the two edge sections sink relative to the middle section of the extension section, so that the upper surface of the nozzle is flush with the upper surface of the middle section.
In some embodiments, the middle section of the extension section extends towards the outward swing side of the wiper arm, and the two edge sections are bent towards the bottom side of the middle section and extend towards each other along the bottom surface of the middle section; the notches of the two accommodating grooves face away from each other.
In some embodiments, the wiper arm end piece further comprises a hook for holding a wiper blade, and the middle section of the extension section is deflected downwards towards the windshield side relative to the upper surface of the hook.
In some embodiments, a downward deflection angle of the middle section corresponds to an installation tilt angle of the windshield.
According to an embodiment of the present application, a downward deflection angle of the middle section is caused to correspond to an installation tilt angle of the windshield, so that the nozzle and the extension section block the driver's line of sight as little as possible, thereby improving driving safety.
In some embodiments, at least one of the edge sections is provided with a protrusion, and at least one of the accommodating grooves is provided with an opening for accommodating the protrusion.
According to an embodiment of the present application, the arrangement of a protrusion and an opening makes it possible to prevent the nozzle from loosening from the extension section.
In some embodiments, after the nozzle is connected to the extension section, the hose joint is shielded by the extension section.
In some embodiments, the nozzle body is in fluid communication with the hose joint, and the nozzle body further comprises a flow channel for a cleaning fluid, the flow channel penetrating the nozzle body.
In some embodiments, the wiper arm further comprises a wiper arm seat, the wiper arm seat being rotatably connected to the other end of the wiper arm body and used for connecting a driving motor.
According to another aspect of the present application, a wiper is further provided, comprising any of the above-described wiper arms and wiper blades, wherein the wiper blade is held by the wiper arm end piece of the wiper arm.
According to another aspect of the present application, a vehicle is further provided, comprising any of the above-described wiper arms, or the above-described wiper.
Brief Description of the Drawings
The above-described characteristics, technical features, advantages, and implementation mode of the present application will be further explained below in a definite and easy-to-understand manner by a description of preferred embodiments and with reference to the drawings, wherein
Fig. 1 is a top view of a wiper arm 10 according to an embodiment of the present application;
Fig. 2 is a bottom view of the wiper arm 10 in Fig. 1;
Fig. 3 is a partial top view of the wiper arm end piece 200 and the nozzle 500 of the wiper arm 10 in Fig. 1;
Fig. 4 is a cross-sectional view taken along the line A- A in Fig. 1; Fig. 5 is a side view of the nozzle 500 of the wiper arm 10 in Fig. 1;
Fig. 6 is another partial top view of the wiper arm end piece 200 and the nozzle 500 according to an embodiment of the present application;
Fig. 7 is another partial bottom view of the wiper arm end piece 200 and the nozzle 500 according to an embodiment of the present application;
Fig. 8 is a cross-sectional view taken along line C-C in Fig. 6;
Fig. 9 is a three-dimensional schematic diagram of the wiper arm 10 according to an embodiment of the present application. Specific Embodiments
Embodiments of the present application will be described exemplarily below. As those skilled in the art should realize, the embodiments explained may be amended in various ways without departing from the concept of the present invention. Thus, the accompanying drawings and the description are in essence demonstrative and non-limiting. In the following text, identical drawing reference labels generally indicate functionally identical or similar elements.
According to the general idea of the present application, a wiper arm is provided, which comprises a wiper arm body and a wiper arm end piece, the wiper arm end piece being fixedly connected to one end of the wiper arm body to hold a wiper blade, the wiper arm being further provided with a nozzle and a hose, wherein the nozzle is connected to an extension section of the wiper arm end piece towards the return side or the outward swing side of the wiper arm; the hose extends along the wiper arm body, and one end of the hose is connected to the nozzle to deliver a cleaning fluid to the nozzle.
Fig. 1 shows a top view of the wiper arm 10 according to an embodiment of the present application, and Fig. 2 shows a bottom view of the wiper arm 10 in Fig. 1. As shown in Fig. 1 and 2, the wiper arm 10 comprises a wiper arm body 100, a wiper arm end piece 200, and a wiper arm seat 300, wherein the wiper arm end piece 200 is fixedly connected to one end of the wiper arm body to hold a wiper blade; the wiper arm seat 300 is rotatably connected to the other end of the wiper arm body 100 to connect to a driving motor. In a non-restrictive example, the wiper arm end piece 200 is made by blanking and is riveted to the wiper arm body; in addition, the wiper arm end piece 200 comprises a hook 210 for holding a wiper blade. In a non-restrictive example, the wiper arm body 100 and the wiper arm seat 300 are pivotally connected by a pivot 600; in addition, the wiper arm seat 300 comprises a connecting hole 310 for connecting to the output shaft of a driving motor.
As shown in Fig. 1 and 2, the wiper arm 10 is further provided with a hose 400 and a nozzle 500, and the hose 400 extends along the wiper arm body 100, of which one end is connectable to a cleaning fluid supply container or another supply channel connected to the supply container, and the other end is (for example, but not limited to, detachably) connected to the nozzle 500 to supply a cleaning fluid to the nozzle 500. The nozzle 500, used for spraying a cleaning fluid to a windshield, is connected to an extension section 220 of the wiper arm end piece 200, the extension section 220 is provided on the outward swing side B of the wiper arm 10, and the nozzle 500 is connected to the extension section 220 towards the return side Z. ft should be noted that a wiping area of a wiper comprising the wiper arm 10 and a wiper blade on a windshield is defined by a return pause position close to the bonnet of the vehicle and a outward swing pause position away from the bonnet of the vehicle, and, correspondingly, the outward swing side B refers to the side of the wiper arm 10 close to an outward swing pause position, wherein, as shown in Fig. 1, the outward swing side B is indicated as the right side of the wiper arm 10; the return side Z refers to the side of the wiper arm 10 close to the bonnet of the vehicle, and, as shown in Fig. 1, the return side is indicated as the left side of the wiper arm 10.
In an example, a snap connection is established between the nozzle 500 and the extension section 220. Specifically, as shown in Fig. 3 and 4, the extension section 220 extends towards the outward swing side B, and comprises a middle section 221, and edge sections 222 and 223 on either side of the middle section 221; the nozzle 500 comprises a nozzle body 510, an accommodating groove 521, an accommodating groove 522, and a hose joint 530, wherein the accommodating groove 521, the accommodating groove 522, and the hose joint 530 all protrude from one side of the nozzle body 510; the notches of the accommodating groove 521 and the accommodating groove 522 face each other, and the edge section 222 and the edge section 223 of the extension section 220 are insertable into the accommodating groove 521 and the accommodating groove 522, respectively; the hose joint 530 is detachably connected to the hose 400.
Preferably, as shown in Fig. 4, the edge section 222 and the edge section 223 of the extension section 220 sink relative to the middle section 221, so that after the nozzle 500 is connected to the extension section 220, the upper surface of the nozzle 500 is substantially flush with the upper surface of the middle section 221, thereby improving the aesthetic appeal of the wiper arm 10.
In another example, as shown in Fig. 5 and 6, the extension section 220 comprises a middle section 221, and the edge sections 222 and 223 on either side of the middle section 221, wherein the middle section 221 extends towards the outward swing side B, while the edge sections 222 and 223 are bent towards the bottom side of the middle section 221 and extend towards each other along the bottom surface of the middle section 221; the nozzle 500 comprises a nozzle body 510, an accommodating groove 521, an accommodating groove 522, and a hose joint 530, wherein the accommodating groove 521, the accommodating groove 522, and the hose joint 530 all protrude from one side of the nozzle body 510; the notches of the accommodating groove 521 and the accommodating groove 522 face away from each other, and the edge section 222 and the edge section 223 of the extension section 220 are insertable into the accommodating groove 521 and the accommodating groove 522, respectively; the hose joint 530 is detachably connected to the hose 400. Preferably, as shown in Fig. 1, 4 and 6, after the nozzle 500 is snap- connected to the extension section 220, the hose joint 530 is shielded by the extension section 220, thereby improving the aesthetic appeal of the wiper arm 10.
Preferably, as shown in Fig. 2, 3, 5, and 7, at least one of the edge section 222 and the edge section 223 is provided with a protrusion 224, correspondingly at least one of the accommodating groove 521 and the accommodating groove 522 is provided with an opening 523, and the nozzle 500 is deformable to make the protrusion 224 snap into the opening 523, thereby preventing the nozzle 500 from falling off the extension section 220 easily. Herein, the protrusion 224 may be triangular or have any other shape.
As shown in Fig. 5 and 7, the nozzle body 510 may further comprise a flow channel 511 for a cleaning fluid, and the flow channel penetrates the nozzle body 510. In addition, the hose joint 530 is in fluid communication with the nozzle body 510, so that a cleaning fluid can flow into the nozzle body 510 from the hose joint.
Preferably, as shown in Fig. 9, at least one part of the extension section 220 is deflected downwards by an angle a towards the windshield side relative to the upper surface of the hook 210. In the examples shown in Fig. 3 to 5, said at least one part comprises a middle section 221 and edge sections 222 and 223, and, in the examples shown in Fig. 6 to 8, said at least one part comprises a middle section 221. More preferably, the above-mentioned deflection angle a corresponds to an installation tilt angle of the windshield, so that when the wiper is installed on the windshield of a vehicle, in the direction of observation by a driver in the vehicle, the nozzle 500 and the extension section 220 block the driver's path of observation as little as possible, which allows a reduction of interference by the wiper to the driver to ensure driving safety. ft should be noted that although it is shown in the preceding example that the nozzle 500 and the extension section 220 are located on the outward swing side B of the wiper arm 10, and that the nozzle 500 is connected to the extension section 220 towards the return side Z, it is understandable that the nozzle 500 and the extension section 220 may also be located on the return side Z of the wiper arm 10, and that the nozzle 500 is connected to the extension section 220 towards the outward swing side B.
According to an embodiment of the present application, the arrangement of a nozzle on the wiper arm ensures that a cleaning fluid is quickly wiped off, the driver is given a clear field of vision, and the cleaning fluid usage may also be reduced.
According to another aspect of the present application, it further relates to a wiper, comprising a wiper arm 10 as described above and a wiper blade, wherein the wiper blade is held by the wiper arm end piece 200 of the wiper arm 10.
According to yet another aspect of the present application, it further relates to a vehicle, comprising a wiper arm 10 as described above, or a wiper as described above. The present application, instead of being limited to the above- described structures, may also have other variants. Although the present invention has already been described by means of a limited number of embodiments, those skilled in the art could, drawing benefit from this disclosure, design other embodiments which do not depart from the scope of protection of the present invention disclosed herein. Thus, the scope of protection of the present invention should be defined by the attached claims alone.

Claims

_ Claims _
1. A wiper arm (10), comprising a wiper arm body (100) and a wiper arm end piece (200), the wiper arm end piece (200) being fixedly connected to one end of the wiper arm body (100) to hold a wiper blade, characterized in that the wiper arm (10) is further provided with a nozzle (500) and a hose (400), wherein the nozzle (500) is connected to an extension section (220) of the wiper arm end piece (200) towards the return side (Z) or the outward swing side (B) of the wiper arm (10); the hose (400) extends along the wiper arm body (100), and one end of the hose (400) is connected to the nozzle (500) to deliver a cleaning fluid to the nozzle (500).
2. The wiper arm (10) according to Claim 1, characterized in that the nozzle (500) comprises a nozzle body (510), two accommodating grooves (521; 522), and a hose joint (530), the two accommodating grooves (521; 522) and the hose joint (530) protruding from one side of the nozzle body (510); the extension section (220) comprises a middle section (221) and two edge sections (222; 223), the two edge sections (222; 223) being insertable into the two accommodating grooves (521; 522), respectively; the hose joint (530) is connectable to the hose (400).
3. The wiper arm (10) according to Claim 2, characterized in that the extension section (220) extends as a whole towards the outward swing side of the wiper arm (10), and notches of the two accommodating grooves (521; 522) face each other. 4. The wiper arm (10) according to Claim 3, characterized in that the two edge sections (222; 223) sink relative to the middle section (221) of the extension section (220), so that upper surface of the nozzle (500) is flush with upper surface of the middle section (221).
5. The wiper arm (10) according to Claim 2, characterized in that the middle section (221) of the extension section (220) extends towards the outward swing side of the wiper arm (10), and the two edge sections (222; 223) are bent towards the bottom side of the middle section (221) and extend towards each other along bottom surface of the middle section (221); and notches of the two accommodating grooves (521; 522) face away from each other.
6. The wiper arm (10) according to any of Claims 2 to 5, characterized in that the wiper arm end piece (200) further comprises a hook (210) for holding the wiper blade, and the middle section (221) is deflected downwards towards the windshield side relative to the upper surface of the hook (210).
7. The wiper arm (10) according to Claim 6, characterized in that a downward deflection angle of the middle section (221) corresponds to an installation tilt angle of the windshield. 8. The wiper arm (10) according to any of Claims 2 to 5, characterized in that at least one of the edge sections is provided with a protrusion (224), and at least one of the accommodating grooves is provided with an opening (523) for accommodating the protrusion (224).
9. The wiper arm (10) according to any of Claims 2 to 5, characterized in that after the nozzle (500) is connected to the extension section (220), the hose joint (530) is shielded by the extension section
(220).
10. The wiper arm (10) according to any of Claims 2 to 5, characterized in that the nozzle body (510) is in fluid communication with the hose joint (530), and the nozzle body (510) further comprises a flow channel (511) for a cleaning fluid, the flow channel (511) penetrating the nozzle body (510).
11. A wiper, characterized in that it comprises a wiper arm (10) according to any of Claims 1 to 10 and a wiper blade, wherein the wiper blade is held by the wiper arm end piece (200) of the wiper arm (10).
12. A vehicle, characterized in that it comprises a wiper arm (10) according to any of Claims 1 to 10 or a wiper according to Claim 11.
EP22700291.2A 2021-01-07 2022-01-05 A wiper arm, wiper and vehicle Pending EP4274768A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202120031581.0U CN215971420U (en) 2021-01-07 2021-01-07 Scraping arm, wiper and vehicle
PCT/EP2022/050133 WO2022148768A1 (en) 2021-01-07 2022-01-05 A wiper arm, wiper and vehicle

Publications (1)

Publication Number Publication Date
EP4274768A1 true EP4274768A1 (en) 2023-11-15

Family

ID=79731136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22700291.2A Pending EP4274768A1 (en) 2021-01-07 2022-01-05 A wiper arm, wiper and vehicle

Country Status (5)

Country Link
US (1) US20240067132A1 (en)
EP (1) EP4274768A1 (en)
JP (1) JP2024502149A (en)
CN (1) CN215971420U (en)
WO (1) WO2022148768A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10589725B2 (en) * 2014-10-02 2020-03-17 Valeo Systèmes d'Essuyage Window-wiper spray nozzle for a vehicle
FR3043969B1 (en) * 2015-11-20 2018-08-17 Psa Automobiles Sa. ARRANGEMENT FOR WIPING A GLAZED SURFACE INCORPORATING A REMOVABLE MOUNT JET ACCORDING TO A LONGITUDINAL DIRECTION.
DE112017002548T5 (en) * 2016-05-18 2019-02-21 Denso Corporation Vehicle wiper device
CN212098766U (en) * 2020-03-17 2020-12-08 台州法雷奥温岭汽车零部件有限公司 Wiper arm and wiper assembly

Also Published As

Publication number Publication date
JP2024502149A (en) 2024-01-17
CN215971420U (en) 2022-03-08
WO2022148768A1 (en) 2022-07-14
US20240067132A1 (en) 2024-02-29

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